rinsche



F. C. RINSCHE.

. ADDINGMACHINE.'

APPLICATION FILED JAN. I?. i916.

RENEwED'M/w 15,1919.

Patented ma; fs WMMEVS F; (I. INNSCHE.

ADDiNG MACHNE.

ILED JANz i? x 191G HENEWED MAY 15| NL.

APPLICATON @gammadi Bw 239 MIS.

5 SHEETS- SHEET 3.

\F. C' RINSCHE.

ADDING MACHINE. APPLICATION FILED IAN. II, Ire. RENEWED IIIAY I5, 1919.

' atented Deo. 23, 1919.

i? UMH/VHS F. C. RINSCHE.

ADDING MACHINE. APPLICATION FILED 1AN.17.1916.

RENEWED MAY 15| 1919.

7 0@ F ,2 mu.

Patented Dec.. 23

5 SHEETS-SHEET 5- UNITED STATES PATENT OFFICE.

FRANK C. RINSCHE. OF DETROIT. MICHIGAN, ASSIGNOR TO BURROUGHS ADDING-MACHINE COMPANY, OF DETROIT. MICHIGAN. A CORPORATION OF MICHIGAN.

ADDING-MACHINE.

Specification of Letters Patent.

Patented Dee. 23, 1919.

Application filed January 17. 1916. Serial No. 72.482. Renewed May 15.1919. Serial No. 297.413.

le it known that I. Fnask t. Itisscnr.. a citizen of the I`nited States.residing at Detroit. in the county of 'ayne and State. of .\lichigan.have invented certain new and useful Improvements in A\dding-.\Iachines. of which the following is a specification.

The present invention relates particularly to the equipment of an addingand listing machine for facilitatingr thehandling of ledger sheets andthe like. In a prior application tiled September 19. '1914. Serial No.862.593. I have shown, described and claimed an equipment of this soitwhich involves the employment ot` a platen in the form ot a segment of ac vlinder. in place of the customary roller platen. The platen of thisprior construction is relatively flat., the object heilig to provide forprinting upon it by ordinary printing mechanism of an adding lnachine.without so far bending the inserted sheets ats to atl'ect the flat formin which they must be handled. rl`his same characteristic. is present inthe improved construction ot' this application though I have found itpracticable to employ a segmental platen of shorter radius and I haveadopted such in the present instance to inf sure clean and sharpprinting under a rearrangement of the printing mechanism of the machineproper by which provision is. lnade for visible" printing. ln this saineconnection I now dispense with the mounting of the segmental platen in acradle. or rocking lsupport. and mount it in fixed bearings upon thelaterally shiftable carriage of the machine. .\ccording to the generalplan of my prior invention. the plat-en ot the present .constructionisarranged to swing up and down and the sheet to be printed upon isplaced in position upon the platen wlien the latter is in its uppermostposition. and the platen lis then lowered to the proper position forprinting upon the top line of the sheet and is afterward fed 4up step bystep as the work proceeds. with or without intervening columnar ldriftsof the carriage. In the prior eonstrllction the clamping Iof theinserted sheet inI position against thc platen was accomplished byseparate manipulation of a clamp-handle. In the present instanceclamping ot the sheet is done automatically as a incident to thelowering oi' the platen, and correspondingly the unclamping and releaseof the sheet for removal occurs automatically as an incident to the riseof the platen to its uppermost position. For tley purpose of regulatingthe extent of lowering the platen to the proper initial position to suitthe work in hand, I provide an adjustable stop which can be Set at anylocation desired within a large range ot' movement so as to definitelyinsure uniform positioning of inserted sheets according to linearrequirements of the accounting work in hand.

further departure from the. prior construction is to be found in themechanism -t'or line-spacing. Instead of employing gear wheels in meshwith racks on the back of the platen and applying ratchet and pawlaction to the gear wheels. I mount a segmental ratchet on the back oftheI platen and I employ a reciprocating pawl which is normally held inengagement with the ratchet by a spring. I also emploi a retaining pawllikewise held in engagement with the ratchet by a spring. and. as amatter of increased facilities t'or manipulating the platen. I provide.a third pawl to engage the ratchet so that manual line-spacing of thesame may be had at will: it being understood that the first mentionedpawl isreciprocated through mechanical connection with the. operatingmechanism of the machine proper. These several pawls must of course bedisengaged from the ratchet when the platen is to be lowered. and I makeprovision for simultaneously disengag'ing them by a manual act easy andconvenient of execution by the lingers of the hand ofy the. operatorwhile grasping a handle by which the platen Vis lowered. This samehandle serves for elevating the platen independently of the linespacingmechanism. and I further utilizel it in connection with lateralpositioning 0f the platen. Thus through the same connections by whichthe above mentioned pawls are disengaged from the ratchet, I provide forthrowing oft the tabulator stops carried by the laterally shiftablecarriage as usual, so that the operator. haring grasped the handle andapplied linger Lpressure to said connections, may then shift thecarriage any extent desired without obstruction by the tabulatingdevices. I preferably provide a settable element in the throw-offconnections so that when desired, as when the machine.- is being usedfor mere list-ing or vsingle cif mounted upon a machine, av portionofwliose casing appears in section together with some of the internalmechanism in elevation; Figs. 2 and 3 are enlarged detail sectionalviews taken on lines 2 2, 3 3 of Fig. l; Fig. 4 is an enlarged detailsectional perspective of parts at the left of the platen; Fig. 5 is arear elevation with some parts broken away and in section; Fig. (3 is aperspective view looking from the rear and showing parts at the righthand side of the platen; Fig. 7 is a vertical section taken on the line7 7 of Fig. 5; Figs. 8 and 9 are sectional details taken 4on lines 8 8an,d

9 9 of Fig. 7; Fig. 10 is a vertical section taken'on the line 10 1(l ofFig. 5; Fig. 11 is a partial left side elevation; and Fig. l). is asimilar view illustrating the elt'cct ot elevating the platen beyond theposition shown in Fig. 11.

lReferring first to Figfl, the reference tigure 611 designates one of a'series ,of levers on the order of those so familiar in the Burroughsadding and listing machine, which levers carry the adding racks at theirfor'- ward ends, and the printing types at their rear ends. In theIpresent instance these levers do not have type-carrying segmentsintegral with them, but they have, studs which occupy slots in verticaltype-carrying bars 612, each bar.liaving a. series of yte'n types G18suitably,mounted in a housing at the uppervend of the bar. The purposeof departing in this way from the usual arrangement in .'l Burroughsmachine, is to prox/ide for visible printing.; Thus the type-carrying.bars are adapted to be projected upward through an opening in thel topot' the machine, and after the printing has been done, these barsretreat to expose the iinprint. inasmuch as this modification does awaywith an arcuate airaiigeiiieiit of types, l find it desirable to shortent-lie radins of the segmental platen, as compared with that of my priorconstruction which was designed for use with the standard Burroughsniachine. 'llie platen is designated by the nuineral 2 and is composedol a sheet of metal,

'rubber faced. similar sheet of metal w'as confined in curved ln myfoi-nier construction a guides mounted upon the cradle of the laterallyshiftahle carriage. In tue present instance the platenhas radial arms 2whicl unite in the split hubs 2b, clamped upon a tubular shaft 2, whichis suitably jouriialed between the side pieces 3 of the laterallyshiftable carriage. in the customary way upon the haclcof the machine.@The numeral 4 designates the custoniary track on which the carriagei-iiiis. 'Ihenuineral 5 designates the hinged back The latter isinonnted panel of the machine casing'to which the 75 track is secured.Adjustment for the purpose of securing the right spacing of the platenfrom the type is provided for by the hollow screws 5 on said panel andlocking screws 5" ruiming through the hollow 80 screws and into bosseson the machine frame. oai. ai

The segmental platen is adapted to oscillate between limits abouttheaxis of its )ourof its size and its weight and that of various partsit carries, I preferably employ a counterbalancing spring 7 lwhich is.coiled about the hollow shaft 2c at the right hand .nal-iiiouiiting inthe carriage, andv in View end thereof as the parts are seen in Fig. 5,

said spring being anchored at one end in the adjacent side piece 3 ofthe carriage, and engaged at its other end'witli an'arni 2d which isfastened to the said shaft. The

only function of this spring is to counterbalance the weight tending tolower. the platen. Normally the platen would be up'- lield by the pawlshereinbefore mentioned which engage the ratchet on the platen (all ofwhich parts will be specifically identified 10o later on), but it isdesirable that the platen with the parts carried by it, `aggregatingconsiderable' weight, he not at any time free to drop, entailing shockand danger of possible' damage to the machine. 105

Referring next to the matter of iiitroducing the sheet to be printedupon, and gaging that sheet and clamping it in proper position; thereextends acrosstlie full width ol the platen at the lower edge thereof atthe fiont side, a `plate oi' bar S, which is formed with hinge earsreceiving a pintle 9 also engaged with hinge lirackets fastened to theplatenI (Fig-5). Said plate is bent at righ!- Aangles to forni a.hoiizontal shelf or ledge 8 just below he botloni edge of the plat-cn.

A flut portion S" of sa-id plate 4extending Y.

vertically from the ledge, and being'of appreciable height,-constitutesl a clamp for holding a sheet of paper securely against the,face of the platen when said sheet has4 been dropped llici'eover andrests upon the. ledge. Referring to Fig. l2,` the hinged plate or bar isthere shown thrown forward to receive the shcct S dropped over the faceol the platen. 'l`h e plate oi bar is so held in opposition to a spring(presently identified) which lends to swing it rearward to the positionshown lin Fig. ll, and also iii Figs. 7 and ln Fig. t the condition ismovement of the platen.

the saine as that representtal in Fig. 1'2. .\t its let't hand side theplate has a re:u'\\ardl-v turned ear to which is pivotally ronneeled alink l1. This link extends rear\\'ardl and is pivotally eonneeted to onearm ol a hell eranklever 12 pivoted upon the hetore meutioned arm 2".

A spring 13 coiled around the hub ol' the, bell-crank lever 12 serves lothrow the. gaging' and elamping plate rearward. said spring heiligauehored at ont` end in the hellerank lever and at the other in arni 2,It willbe reealled that the latter is lixed lo the platen hub 2".llenee, in the absenee ol :mv interfering factor, the bell-crank 12 andlink 11 would simply more with the platen and have no individualmovement ot' their own. in which event the condition would always bethat illustrated in l"ig. 11, and that is the condition wheneverprinting is in progress 0x' the inserted sheet i in readinessl lo beprinted upon. llower when the platen is in its uppermostposition theclamp must be open ready to receive a sheet. as in l"ig. l2, and hereotheneleineuts come-into play, A bell-crank lever 14. pivoted upon theleft -hand side of plate 3 of 'the carriage, has a yrearwardly extendingarm with a Contact head 14 to operate uponthe forwardly extending arm ofthe. bell-crank 12, and a forwardly and upwardly extending arm torna-dwith a hump 14" adapted to cooperate as a eam with a roller 2f on theside of the platen. The latter has a series ot reinforcing ribs runningup and down its baek and the roller` iseonveniently mounted upon thelefthand one ot these ribs which is designated 2g. When the platen is niovedupwardly beyond the lastaposition in which printing is done. .sa-idroller operates upon tlie cam-hump 14", roeks the bell-crank lil. andthereby the bell-erank 12. so that the. latter thrusts forward link 1land the gage, and clamp plate is swung forward to release the sheet ormake ready to receive a sheet dropped over the laee ot' the platen. Thebell-Crank 1J@ is limited in its movement by a stud 3 on the. carriageside-plate (lfig. 10) and, besides serving as a elamp-opening medium,also serves` to limit. the upward To this end the extremity of theupwardly extending ariw 0f the. bell-crank takes the torni of a hook 14in which the roller 2r seats as shown in Starting with the conditionillustrated in Fig. 12, the sheet S is dnopped over the Jaee of theplaten and lands upon thel gage and clamp-plate, the edge of the sheetseatingl in the angle of the ledge 8 and the. elanipplate S". Thissquares the sheet so it. is immediately ready tobe elamped against the.twee et the platen. Upon lowering the lalter, and betere or just as itreaehes a position where the lowermost line for printingeenxz's oppositethe type, the roller 2f passes down beyond the 'cam-hump 14" and thespring 13. at onee throws the, gage and clamp-plate' rearwardly and thesheet S is securely elaniped against the fare ot the platen while stillresting' squarely upon the ledge S", as clearly illustrated in Figs. 7and 10. l

utilize the forward portion of the link 11 asa side-edge gage for thesheet by extendingr ii above and below the point of pivotal eon` line. Iutilize the lower arm of the bellerank lever l2 for such purpose. theend of the said arm being adapted to wipe past the nose of the trippieee of a bell mechanism of familial' eharaeter mounted -upon the sideplate of the carriage. Such sheet-end warning bell mechanisms are soWell known in this art that it is unnecessary to deserihe in detail thatherein Shown. The bell is vdesignated by the numeral 15 and the relationof its striker mechanism to the bellcrank 12 may be surh that thewarning will be given when the platen rises to'a position two linesshort of the final printing position.

Referring' next to the matter otadjustably limiting the lowering ol theplaten, there. is secured to the rib 2 ot theI latter a stop-piece. 2Fig. 5 whieh is adapted to abut against the laterally-turned end-portion1(5 oi an areuate bar lt extending along side the, earriage side-plate 3and integral with a radial arm 1W' journaled upon the rod 3 about wliiehthe tubular shaft 2 or platen-hub turns. said rod being' suitablyfastened in the carriage side. plates. rI`he arcuate bar 1G is slottedthroughout the greater portion ot' its length and a stud 25 on the sideplate. il oeeupies the. slot and receives a thumb nut 17 by whieh'thesaid arcuate hlar can be elamped in any desired position. Obviously thisprovides for setting the bar to limit the deseent ol the platen to suit.the work in hand. 'l`he adjustment lixes the uppermost printing 4line.aml where a number of sheets are in use ralling for uniformity in thisregard. or the saine'sheet is to be. inserted repeatedly for printing indi'lt'erent columns be; ;inning along the same line` uniformity in thisregald will be insured without the operatorsI being eaii-l'd upon togive elose attention to adjustment of the platen each time.

Besides the provision of the clamp-plate to secure the lower end ot' thesheet, it is desirable to supply means for laying the sheet smoothlyback over the face of the platen,`and it is Imrticularly desirable thatthe sheet be held closely against the platen at the printing point. Athin/vertical plate 5 is secured to back panel 5 of the machine, andextends closely adjacent the platen along the print-ing line. being cutout at the middle of its upper edge ii a width correspoiuliuj..r to thecross-wise line of type. The inking ribbon :0 interreiu-s, as shown inFig. l, spanning this eut-out portion ot said plate and extending abovethe, latter, it being understood of course that the type normally standbelow the printed line. As the platen lowers from its uppermostposition, the, sheet is first carried past the upper edge of this thinplate l. A short distance below the top edge. of said plate, the --topedge of a curved plate 22 meets the rear face of plate 5 as clearlyshown in Fig. lt). said'curved plate conforming with the, platen `andextending in proximity to the face thereof. This curved-plate isfastened to the carriage and extendcoxisiderably to the rearthereof sothat. a\jhen the platen is in its lowermost position the clamp-plate 8"is just beyond the rear edge of the curved plate \\'hich.is.slightlydownturned as shown in Fig. T to avoid any possible. interference withthe clamp. A pressure roller :23 occupies a eut-out portion of thelatter plate at its rear edge, as shown most clearly in Fig. 5, and isvadapted to bear against the platen when so lowered, and a similarpressure roller '2t occupies an opening in the upper forward portion ofthe plate. These tw'o pressure rollers are supported icsqwetirely inpairs of arms 2,5 piroted to brackets Afastened on the underside of saidplate said arms heilig connected together by springs .t which press therollers against the platen. ln addition to the above described means forlaving the sheet. back over the, platen and holding it flat against' thesame. there is preferably located at the opening in the machine throughwhich the type rise', a yoke 30 pivoted to brackets 5" andspritig-pressed rearwardly so as to exert pressure upon the paper ouboth sides and above the area in' which\ the printing ishdone.

lassing now to the means for line-spacing, which involves propelling theplaten step by step upward. there is secured against theback ot theplaten ,at the. right hand side iuward from itshuirgiu a ratchet segment40, as best shown in Figs. fraud (i. The reference number -ll designatesthe pawl which operates upon this ratchet .to automati ally etl'ectline-spacing in conjunction with operationot`- the adding machine. Thispawl is pivote-d upon a short crank arm 42 secured to a rock shaft 43which has another` short crank arm it secured to its opposite or outerend.. A link l5 connects the crank arm lt with a slotted crank plate 46of' familiar character, said plate being secured to the rock shaft 48 ofthe line-space bail which is so familiar in this class'of machine as tore( nire no specific description. It is oseillatetl by the prime moverot' the niachine, through connections of the usual eharacter, and itwill be obvious that the pawl 4i will he rcciprocated4 through thedescribed connections between it and said hail. Spring 4S) enforcesengagement between the pawl and the ratchet. The rock shaft 43 ispreferably journaled eccentrically in a bearing 5() adjustably mountedin the carriage side plate 3 as shown in Fig. Q, so as toprovide forinsuring the proper coaction between the pawl and the ratchet. At thelower part; of the ratchet segment; there a plain surface 40e. bestshown in Fig. T, the purpose ofwhich is to stop the line-space actionwhen the' vplaten reaches the uppermost. printing position. It will beunderstood that when the handle ot' the adding machine is pulledforward. the pawl t1 is vdrawn back over al.. tooth ot' tht` ratchet andthen when the ma` chine handle is released and the operation of themachine continues under the power of its main springs, the pawl advancesand pushes up the platen. carrying the imprint above the inking ribbon.lt is preferable t0 employ a detaining pawl to uphold the platen duringthe retraction of the actuating pawl. The reference numeral 5'2designates such a dctaining pawl which engages the ratchet tooth nextabove that: which the actuating pawl normally engages. This detainingpawl is secured to a pivot pin or stud 53 iournaled in .a bearing sleeve-fffastened in the carriage side plate 3 as Shown in Fig. 3. A spring 54connects the pawl with a stud on said side plate to enforce engagementof the pawl with the ratchet.

ln connection with the description of the means for automaticallyclamping and releasing the sheet, reference was made to morena-nt of theplaten beyond the last p0- sition in which printing is done. It-will beunderstood 'that the sheet should not be released until after the lastprinting has iso the platen is reached, so as to detain the latter inthe uppermost position with the clamp open for the reception of anothersheet.

For the purpose of definitely linespacing the platen by hand as occasionmay require, I provide a third pawl (30, having a pivot portion (30a(Fig. 3) journaled in the sides of a yoke (31 mounted upon the sleevebearing 3f. A pin 6:2 running through the pintle (SOLl and a surroundingsleeve G3 which confines the pintle, serves as an anchorage for one endof a spring coiled around the sleeve bearing 3f and secured at the otherend to the yoke (5l, said spring enforcing engagement between the pawl(50 and the ratchet. One side of the yoke (3l is extended upwardly andbent laterally to form a handle 6l conveniently located for theapplication of finger pressure to rock the yoke and thereby line-spacethe platen by hand. StudY 65 on the carriage side plate occupies a notchin one side of the yoke for the purpose of limiting its rocking motion.

In order to move the platen downward beyond the final printing position,it is of course necessary to disengage the above d escribed pawls fromthe ratchet. I provide for conveniently accomplishing this and easilymaintaining the disabled state of the pawls while moving the platen upor down, all by simple manipulation effected with one hand in aperfectly natural manner. A rod 80, Fig. 6, runs through and is lockedto one of the radial arms 2r of the platen, and also runs through theright hand one 2k of the reinforcing ribs on the back of the platen, andout beyond the platen. This rod supports a knob 71 which serves as ahandle for raising and lowering the platen. A sleeve 72 is mounted uponthis rod to slide between the platen rib 2 and the knob, and this sleeveat the end adjacent'the knob carries a cup-shaped finger pull 7221 sothat the operator, while grasping the knob, may readily embrace thesleeve between two fingers and exert a pull upon the same by finger"pressure on said pull-piece. A. lever 73 is pivoted intermediate itsends in a small bracket 21 carried by a rearward extension of the platenrib 2k. This lever has a forkat the forward end embracing the sleeve` 72adjacent a collar 72" formed thereon. lever has a fork also at its rearend which embraces a sleeve 75 sliding upon tlig platen hub 2c. Theinner end of this sleeve Hf's enibraded by the fork 76n ofa bell-cranklever 7'6 pivoted to a bracket 3h fastened to the carriage side-plateSaid bell-crank lever is connected by a link "f7 to a crankarm 78 ,m ashort rock shaft 79 journaled in a bearilng on the said carriageside-plate. Stud 78 on said crank arm 78 normally seats in the bottom ofa notch in an arm 8()b pivoted upon a stud 3 carried by the car riageside-plate. Said arm 80" has a for- Saidv wardly projecting finger 80a,which is turned upwardly and extends in front of all three of the beforedescribed pawls 4l, 52 and (i0. A spring connects the crank arm 78 withthe frame stud 3i, which spring holds the parts in normal position withthe upturned portion of the finger 50a forward of 'the pawls and thefinger pull 72 retracted. l pon applying pressure to said finger pullthe arm 78 will be pulled upward and its stud 78 will act against therear side of the notch in the arm 80, and force this arm rearwardly andcause the. finger 80a to press the three pawls out of engagement withthe ratchet.

l provide for action of the finger pull l7?. in excess of what isrequired for disengagng said pawls from the ratchet but without furtherretracting the pawls, the excess movement being transmitted only to thecrank arm 78 whose stud, after operating with the camming effect uponthe rear side f of the notch in the arm 80h, may ride upon an upperrnclined edge 80c of said arm. This excess movement of' the crank arm 78 and its shaft 7 9 is utilized for the purpose of disabling thetabulator stop mechanism so that when desired the operator, through theuse of the knob 71 and finger pull 72a may obtain control of thelaterally shiftable carriage for positioning the same independently ofsaid tabulating mechanism. For this purpose there is secured to theouter end of shaft 79 a depending arm 90 which is adapted, during suchexcess movement, to operate on a pinr9l. The latter runs through theupper end of an arm 92 which is journaled cess movement of the fingerpull 72l therefore has the same effect the rocking of the yoke 92 by itsown handle 92h, to-wit, the effect of disabling the tabulating mechamnism and permitting full lateral control of the carriage directly byhand.

a inasmuch as it may be undesirable at times to have the tabulatormechanism subject to the action of the finger-pull 72, but desirable tohave it left merely to individual disablement by the regular yoke handle92h, 'i make the pin or stud 91 shiftabie into and out of line with thearm 90. Thus said pin is mounted io slide through the extended sidepieces of the yoke 92 and it is notched for coaction with a smalldetaining spring 95.

Shifting of this pin to the dotted line position illustrated in Fig. 5would be desirable where the machine was in use for listing or singlecolumn work when the operator might, wish to employ the finger-pull fordisabling the ratchet and pawl mechanism and swing1- ing the platen upor down, without having to pay any heed at all to the further functionof that finger-pull to disable the tabulatina' mechanism, and releasethe carriage illi Gti

from its certain columnar positionln this connection it may be notedthat provision 1s made for carrying' a roll of narrow paper upon therear side ot the platen and threading it through the clamp and carrying'it up over the face ot the platen. Referring' to Figs. 5 and l0, it willbe seen that the rib 2tg and a similar rib 2l provide bearings for apaper roll 97. Broken lines in Fig. 10 show how the paper can be drawn:trom the roll7 threaded through the clamp and carried up over the taceof the platen and under the yclamp plate of a spring-held guide bracket98, said plate overlying' the upper edge of the platen and beingserrated at its rear edge to serve for severing' the paper when desired.

While the above described mechanism ia Well adapted to cz rry out myinvention. it must be understood that much modification may be practisedwithin the scope of' that invention, and this is to lie-borne in mind inconnection with the claims which follow.

ll claim:

l. ln a machine ot the class described, 'the combination with printingmoans, ot a platen facing the same in the form ot a ment of a cylindermounted to move in an arc of such cylinder, and having a ratchetextending' along its back in rear ot its tace and within its lateralmargin, and a reciprocating pawl actingI upon said ratchet to eleyatethe platen step by step.

:'2. ln a machine ol the'elass described` the combination with printingvmeans. ot a platen facingY the name in the Vtorni ot a segment ot acylinder mounted to move in an arc ot such cylinder, and having); aratchet extending;r along its back with teeth rearwardly and downwardlydirected, and a rev'ciprocatinp' pawl acting' upon said ratchet toelevate the platen step by step.

3. ln a machine oi the class described, the

combination with printing' means, oit a platen facing the same in thetorni ot' a seg ment ot a cylinder mounted to move in an arc of .suchcylinder, and having'a ratchet extending; along` its back, areciprocating pawl acting upon said ratchet to elevate the platen stepby step, and a handle and connections operable to disengafre the pawlfrom the ratchet and to serve tor directly positioning the platen byhand.

l. ln a machine of the class described, the combination with printingmeans, ot a platen facing the same in the form of a sep;- ment oi acylinder mounted to move in the arc ot such cylinder, and having' aratchet extending along its back, a reciprocating pawl. acting' uponsaid ratchet to elevate the platen Step by step, a prime mover,operating connections between the same and said pawl, and an independentpawl also engag mg said ratchet and equipped for manipulation to effectline-spacing by hand.

5. In a machine of the class described, the combination with printingmeans, of a platen facing the same in the form of a segment of acylinder mounted to move in the arc of such cylinder, and having aratchetextending' along' its back, a reciprocating pawl acting' uponsaid ratchet to elevate the platen step by step, a prime mover, operat-rimcT connections between the same and said pawl, an independent. pawlalso engaging said ratchet and equipped for manipulation to elt'ectlineespacing by hand. and a handle and connections operable to disengagesaid pawls from the ratchet and serve tor directly positioning` theplaten by hand.

ln a machine of the class described, the combination with printinglmeans, of a platen facing' the same in the form of a segment of acylinder mounted to move in the arc of such cylinder, and having aratchet extending' along its back, a reciprocating pawl acting upon saidratchet to elevato the platen step by stcp,ia late 'ally shitablecarriage, tabulating stop devices therefor, and a handle and connectionsoperable to disengag'e the pawl 'trom the ratchet and also to releasethe carriage from the tabulating stop devices.

7. ln a machine ot' the class described, the combination with printing'means. of a platen facing the same in the 'l'.'orin ot a segment of acylinder mounted to move in the are et such cylinder, and havingr aratchet extending along' its back, a reciprocating pawl acting' uponsaid ratchet t-o elevate the platen step by step. a laterally shiftablecarriage, tabulating' stop devices therefor, and a handle andconnections operable to disen- 2gage the pawl from the ratchet and alsoto release the carriage trom the tabulating stop devices. saidconnections including a abilitable member whereby to eliminate thetabulator release action.

8. ln a machine o't the class described, the combination with printing'means, of a platen 'facing' the same in the torni o a seg.

ment of a cylinder mounted to move in the arc ot such cylinder, andhaving,` a ratchet 135 extending' along; its bacl a reciprocating pawlacting' upon said ratcnet to elevate the platen step by step, a'laterally shittable carriage, talonlating devices therefor, and ahandle and connections operable varying extents, to disengag'e the pawlfrom the ratchet and by further movement-to release the carriage tromthe tabulating stop devices.

t). In a machine of the class described, the combination with printingmeans, of a platen lacing' the same in the form of a Segment oli' acylinder mounted to move in the are of such cylinder, and having aratchet extending along its back, a reciprocating :menace pawl acting'upon said ratchet to elevate the platen step by step, a knob on theplaten, a linger pull adjacent the knob, a pau/ldisplacing member, andoperating connections between the latter and the finger pull ,een

Y tcred about the hub of the platen.

10. ln a machine ot the class described, the combination with printingmeans, of a platen 'facing the same in the form et a segment ot'acylinder' mounted to more in the arc ot such cylinder and having` aratchet cxtemlingalong` its back, a reciprocating" pawl acting upon saidratchet to elevate the platen ,step by step, a knob on the platen, alinger pull adjacent the knob, a pani-displacing member, operating con*ncctions between the latter and the linger pull centered about the hubof the platen, a laterally shittable carriage, a tabulaton stop-rodthereon, and means for rocking the rod operable by the aforesaidlinger-pull connections. i

l1. rThe combination of an opentop casingr type-carriers adapted to riserectilinearly through said top to bring their type to the printing? lineand then retreat to leave the imprint visible, aplaten in the form of asegment ot' a cylinder mounted or posite the type-carriers and nlovableup and down in an are, means for positively limit ing its movement inboth direct-ions. and

means for reccivina' and holdine un a sheet against the face ot theplaten.

12. rlhe combination of printing mechanism; an oscillatory segmentalplate means for supporting and clamping` a sheet thereon; and means torautomatically operating' the clamp as an incident to oscillation et theplaten.

13. rlhe combination of printing mechanism; an oscillatory segmentalplaten; a support and clamp tor the bottom edge of a sheet overlying theplaten; and means operated by the platen in its oscillation to open andclose the clamp.

l-l. 'lhe combination ot' printing mechaN nism: an oscillatory segmentalplaten.; a ,support iand clamp plate hinged to '.l c platen and adaptedto supply a ledge for the sheet to rest upon and a means for clamping'it against the face olE the platen; and means operated by the platenitself tor rot-king said plato.

l5. The combination ot printingr mecha nism; an oscillatory segmentalplaten; a support and clamp plate hinged to the platen and adapted tosupply a ledge tor the sheet to rest upon and a means for Iclampingl itagainst the face of the platen; a spring tending to close the clamp; andmeans operated directly by the platen for opening' it. A

lf3. The combination ot printing; mecha nism; an oscillatory segn'ientalplatee; a support and clamp plate hinged tothe plat and adapted tosupply a ledge for the sheet to rest upon and a means for clamping itagainst the tace of the platen; a' springactuated lever adjacent the hubot the platen; a link connecting said lever with the clamp-plate; and alever to operate upon the tiret-mentioned lever and itself operated uponby the platen.

l?. The combination of printing mechanism; an oscillatory segmentalplaten; a snp--` port and clamp plate hinged to the platen and adaptedto supply a ledge for the sheet to rest upon and a means tor clamping`it against the face ot the platen: a springactuatcd lever adjacent thehnbot the platen; a link connecting' said lever with the clampplate; acam lever arranged to operate upon the tiret-mentioned lever; and a studon the platen for actuating the canrlever.

lll. rif'he combination oli printing,n mechanism; an oscillator-ysegmental platen, means for receiving` and upholding a sheet et paperhei-ecn, means for uniformly lin'iiting'the upward movement et theplaten, and means for adjuetably limiting` its downward move ment,

19. The con'ibination ofprinting mechanism; an oscillatory seen'ientalplaten, means for receiving and uplu'ildiiig a. sheet ot paper' thereon,meant` it'or uniformly limiting the upward.increment ot ythe platen, a.stop" 'nan pivotedaconcentrically with the platen" and having' a slottedarcuate portion; and a tlnnnb screw to hold the latter at diil'e'rcntpositions; saidetop arm. having a terminal portion to coact Lwith. aStop projection On tbe platen.

20. .in a machine of the cla'tasaieecribed, the combination withprinting means, of a platen. facing,` the same in the :torni of a segg--ment ot a cylinder .mounted to more in an arc o such cylinder, andhaving' a ratchet extending` alone; its back with a plain terminal edgefor causing' cessation of line spacing, a reciprocating' pawi actinglupon said ratchet to elevate the platen step by stew zncans forsupporting` and clamping a sheet on the platen', and miane l'or opening;the clamp by upward movement ot the platen beyond the la'st position towhich said pawl elevates it.

2. ln a machine et the class del-scribed, the combination with printingmeans, of a platt-znA facing the saine in the term ot' a Scgment oi.E acylinder mounted to more in an are of such cylinder, and having' aratchet extending along its back' 'Vith a'plain terminal edge forcausing cessation of line spacing and a supplementar y notch beyond saidedge, a reciprocating awl actiney uponsaid ratchet to elevate the p atenstep by step, means for supporting and clamping a sheet on the platen,and menne tor opening the clamp by npwerd movement ot the platen beyondthe last pozntion 'Winch eine. pawl. eleretes it9 lili

